bounce message

(redirected from Non-delivery report)
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bounce message

A notification message returned to the sender by a site unable to relay e-mail to the intended recipient or the next link in a bang path. Reasons might include a nonexistent or misspelled user name or a down relay site. Bounce messages can themselves fail, with occasionally ugly results; see sorcerer's apprentice mode and software laser. The terms "bounce mail" and "barfmail" are also common.
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The insidious thing about this ploy is that when the addressee gets the NDR, the subject line is usually something about a Non-Delivery Report," notes Lih-Tah Wong, Director of Sales and Marketing for Computer Mail Services, Inc.
Computer Mail Services Inc. Uncovers Mail Relay Threat To Enterprise Mail Servers
This also prevents the non-delivery reports these email would have previously generated.
Gordano Focuses on Security with Latest Release of Messaging Suite
Since CMS' public warning in June, 2003 that enterprises can be used as unwitting enablers of spam via Reverse Non-Delivery Reports (Reverse NDRs), more companies are finding themselves to be under this surreptitious form of indirect mail relay attack.
Computer Mail Services, Inc. Releases Praetor G2, Providing Multiple Layers Of Defense, Better eMail Traffic Management
GFI MailEssentials 8 also adds support for Microsoft Active Directory; whitelist auto-population; the ability to block spam by character set; binding to IIS Virtual SMTP Servers; support for multiple DNS blacklists and fake non-delivery reports generation.
GFI releases GFI MailEssentials for Exchange/SMTP 8

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